Patent US1902890A successfully refreshed from Google Patents.
US1902890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall fixture
Assignee: Individual
•
Filing: 1931-06-08
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Granted: 1933-03-28
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Expires: 1951-06-08
Abstract
No abstract record available.
Inventors
- 👤 Richard O Pfeiffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:01
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/02; F21S8/024; F21V; F21V11/00; F21V11/02; F21V11/04; F21W; F21W2131/00; F21W2131/20; F21W2131/208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-03-27 | 1936-09-26 | 1937-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-27 | 1940-09-26 | 1941-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-27 | 1944-09-26 | 1945-03-28 | $7700.00 | Window Closed / Lapsed |